Annotation of loncom/auth/lonacc.pm, revision 1.23
1.1 albertel 1: # The LearningOnline Network
2: # Cookie Based Access Handler
1.22 www 3: #
1.23 ! www 4: # $Id: lonacc.pm,v 1.22 2001/11/29 19:12:44 www Exp $
1.22 www 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.4 www 28: # 5/21/99,5/22,5/29,5/31,6/15,16/11,22/11,
1.14 www 29: # 01/06,01/13,05/31,06/01,09/06,09/25,09/28,10/30,11/6,
1.17 www 30: # 12/25,12/26,
1.23 ! www 31: # 01/06/01,05/28,8/11,9/26,11/29 Gerd Kortemeyer
1.1 albertel 32:
33: package Apache::lonacc;
34:
35: use strict;
1.8 www 36: use Apache::Constants qw(:common :http :methods);
1.2 www 37: use Apache::File;
1.6 www 38: use Apache::lonnet;
1.1 albertel 39: use CGI::Cookie();
1.16 www 40: use Fcntl qw(:flock);
1.1 albertel 41:
42: sub handler {
43: my $r = shift;
44: my $requrl=$r->uri;
45: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
46: my $lonid=$cookies{'lonID'};
47: my $cookie;
48: if ($lonid) {
49: my $handle=$lonid->value;
50: $handle=~s/\W//g;
51: my $lonidsdir=$r->dir_config('lonIDsDir');
52: if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
1.6 www 53:
54: # ------------------------------------------- Transfer profile into environment
55:
1.2 www 56: my @profile;
57: {
58: my $idf=Apache::File->new("$lonidsdir/$handle.id");
1.16 www 59: flock($idf,LOCK_SH);
1.2 www 60: @profile=<$idf>;
1.16 www 61: $idf->close();
1.2 www 62: }
63: my $envi;
64: for ($envi=0;$envi<=$#profile;$envi++) {
65: chomp($profile[$envi]);
66: my ($envname,$envvalue)=split(/=/,$profile[$envi]);
1.9 www 67: $ENV{$envname} = $envvalue;
1.2 www 68: }
1.9 www 69: $ENV{'user.environment'} = "$lonidsdir/$handle.id";
1.18 www 70: if ($requrl=~/^\/res\//) {
1.17 www 71: $ENV{'request.state'} = "published";
72: } else {
73: $ENV{'request.state'} = 'unknown';
74: }
1.9 www 75: $ENV{'request.filename'} = $r->filename;
1.12 www 76:
1.6 www 77: # -------------------------------------------------------- Load POST parameters
78:
1.8 www 79:
80:
1.14 www 81: my $buffer;
1.6 www 82:
1.14 www 83: $r->read($buffer,$r->header_in('Content-length'));
84:
85: unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) {
1.5 www 86: my @pairs=split(/&/,$buffer);
1.6 www 87: my $pair;
1.5 www 88: foreach $pair (@pairs) {
1.6 www 89: my ($name,$value) = split(/=/,$pair);
90: $value =~ tr/+/ /;
91: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.10 www 92: $name =~ tr/+/ /;
93: $name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.9 www 94: $ENV{"form.$name"}=$value;
1.6 www 95: }
1.14 www 96: } else {
97: my $contentsep=$1;
98: my @lines = split (/\n/,$buffer);
99: my $name='';
100: my $value='';
101: my $fname='';
102: my $fmime='';
103: my $i;
104: for ($i=0;$i<=$#lines;$i++) {
105: if ($lines[$i]=~/^$contentsep/) {
106: if ($name) {
107: chomp($value);
108: if ($fname) {
109: $ENV{"form.$name.filename"}=$fname;
110: $ENV{"form.$name.mimetype"}=$fmime;
1.15 www 111: } else {
112: $value=~s/\s+$//s;
1.14 www 113: }
1.15 www 114: $ENV{"form.$name"}=$value;
1.14 www 115: }
116: if ($i<$#lines) {
117: $i++;
118: $lines[$i]=~
119: /Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i;
120: $name=$1;
121: $value='';
122: if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) {
123: $fname=$1;
124: if
125: ($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) {
126: $fmime=$1;
127: $i++;
128: } else {
129: $fmime='';
130: }
131: } else {
132: $fname='';
133: $fmime='';
134: }
135: $i++;
136: }
137: } else {
138: $value.=$lines[$i]."\n";
139: }
140: }
141: }
1.8 www 142: $r->method_number(M_GET);
143: $r->method('GET');
144: $r->headers_in->unset('Content-length');
1.6 www 145:
146: # ---------------------------------------------------------------- Check access
147:
148: if ($requrl!~/^\/adm\//) {
1.7 www 149: my $access=&Apache::lonnet::allowed('bre',$requrl);
150: if ($access eq '1') {
151: $ENV{'user.error.msg'}="$requrl:bre:0:0:Choose Course";
152: return HTTP_NOT_ACCEPTABLE;
153: }
154: if (($access ne '2') && ($access ne 'F')) {
155: $ENV{'user.error.msg'}="$requrl:bre:1:1:Access Denied";
156: return HTTP_NOT_ACCEPTABLE;
157: }
1.23 ! www 158: }
! 159: # ------------------------------------------------------------- This is allowed
! 160: if ($ENV{'request.course.id'}) {
! 161: $requrl=~/\.(\w+)$/;
! 162: if (&Apache::lonnet::fileembstyle($1) eq 'ssi') {
! 163: # ------------------------------------- This is serious stuff, get symb and log
! 164: my $symb=&Apache::lonnet::symbread;
! 165: $ENV{'request.symb'}=$symb;
! 166: &Apache::lonnet::courseacclog($symb);
! 167: } else {
! 168: # ------------------------------------------------------- This is other content
! 169: &Apache::lonnet::courseacclog($requrl);
! 170: }
! 171: }
1.2 www 172: return OK;
1.1 albertel 173: } else {
1.5 www 174: $r->log_reason("Cookie $handle not valid", $r->filename)
1.1 albertel 175: };
176: }
1.6 www 177:
1.21 www 178: # -------------------------------------------- See if this is a public resource
179: if (&Apache::lonnet::metadata($requrl,'copyright') eq 'public') {
180: &Apache::lonnet::logthis('Granting public access: '.$requrl);
181: $ENV{'user.name'}='public';
182: $ENV{'user.domain'}='public';
183: $ENV{'request.state'} = "published";
184: $ENV{'request.publicaccess'} = 1;
185: $ENV{'request.filename'} = $r->filename;
186: return OK;
187: }
1.6 www 188: # ----------------------------------------------- Store where they wanted to go
1.21 www 189:
1.6 www 190: $ENV{'request.firsturl'}=$requrl;
1.1 albertel 191: return FORBIDDEN;
192: }
193:
194: 1;
195: __END__
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